hrefStack vs tono

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

hrefStack compared with tono
Detail	hrefStack	tono
What it does	AI agent that grows your search traffic through autonomous SEO content research, writing, publishing, and ranking tracking	Rewrite or reply to your messages before you send them, choosing from safer, funnier, or custom tones
Stage	Startup	Startup
Founded	2024	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free plan: 10,000 words per month, no credit card required. Starter plan: $45 per month for 100,000 words per month. Pro plan: $69 per month for unlimited words. All plans include AI images, CMS publishing, and AI Agent access. Yearly billing available with 17% savings.	Free: $0 forever for on-device rewrites with unlimited rewrites, no account required. Pro: $3.99/month or $39.99/year; new subscribers get a 14-day free trial and can cancel anytime.
Key features	Autonomous keyword and competitor-gap research Publication-ready article writing with six-dimension quality self-audit Scheduled publishing to your CMS including WordPress, Shopify, Wix, Ghost, and Sanity Google ranking and AI-search citation tracking across ChatGPT, Perplexity, and Google AI Overviews Automatic refresh of underperforming content Content calendar planning Full editorial control with approval gates before publication 10 free SEO tools with no signup required	Safer tone that clarifies and reduces hostility Funnier tone that changes register Custom tone by typing your own instructions Cloud rewrites for Pro subscribers How I Sound feature to apply your voice to rewrites Support for longer drafts on Pro Works in iPhone keyboard and as an app
What makes it different	AI employee that executes the full content pipeline, not a writing assistant that produces drafts Optimization for both traditional search engines and AI-powered discovery surfaces like ChatGPT and Perplexity Grounded in your actual search data with full Search Console integration Multi-surface AI visibility tracking across rankings, AI Overviews, ChatGPT, and Perplexity citations	Never sends messages automatically—you always copy and send manually Drafts never used to train models; privacy-first design Free on-device rewrites with no daily limits or quotas Works directly in iPhone keyboard for seamless workflow
Community votes	0	0
DR (Domain Rating by Ahrefs)	15 −1 (down) since last check	23 −4 (down) since last check
Trust Flow (Majestic)	21	3
Citation Flow (Majestic)	27	22
Referring domains (Majestic)	91	11

6 details filled in for both companies.

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